The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
Now Available: 2012 Medicare Advantage Spotlight: Plan Availability and Premiums The Kaiser Family Foundation has issued a series of data spotlights and issue briefs examining the Medicare Advantage plan options available in 2011 and trends affecting the Medicare Advantage marketplace.
This report examines the Center for Medicare and Medicaid Services (CMS) financial alignment demonstration for beneficiaries dually eligible for Medicare and Medicaid, with a focus on the extent to which participating states and health plans have prior experience with capitated managed care arrangements under Medicare or Medicaid, and specifically for this population. Under these capitated financial alignment demonstrations, health plans contract with the state and CMS (a three-way contract) to provide both Medicare and Medicaid benefits to dually eligible beneficiaries. These demonstrations aim to improve the quality of care and the coordination of benefits for people dually eligible for Medicare and Medicaid. The report finds considerable variation in the experience of states and health plans participating in these demonstrations, and discusses the potential implications for beneficiaries and plan oversight.
Gretchen Jacobson, Associate Director of the Foundation's Program on Medicare Policy, testified on June 7, 2017 before the U.S. House Committee on Ways and Means, Subcommittee on Health. Her testimony focused on three approaches for integrating and coordinating care for Medicare beneficiaries, and the opportunities and challenges presented by these approaches.
In 2020, more than 22 million Medicare beneficiaries (34%) are enrolled in Medicare Advantage plans, which are mainly HMOs and PPOs offered by private insurers as an alternative to the traditional Medicare program. This data note provides an overview of the Medicare Advantage plans that will be available in 2020, including the variation in the number of plans available by county and plan type. The brief also examines the insurers entering the Medicare Advantage market for the first time and also examines the insurers exiting the market.
While Medicare Advantage enrollment is highly concentrated among a small number of firms, UnitedHealthcare has seen the largest and fastest growing share of enrollees over the past decade. Learn more in this Chart of the Week.
A record 3,148 Medicare Advantage plans will be available across the country as alternatives to traditional Medicare, a new KFF analysis finds.
This brief about the 2018 Medicare Part D marketplace analyzes the latest data on Medicare drug coverage and trends over time, including both stand-alone prescription drug plans and Medicare Advantage drug plans. The analysis focuses on enrollment, premiums, cost sharing, and the low-income subsidy.
In 2018, three Medicare Part D plan sponsors—UnitedHealth, Humana, and CVS Health—account for more than half of the program’s 43 million Part D enrollees (55%) and two-thirds of all stand-alone drug plan enrollees, indicating a marketplace that is dominated by a handful of major insurers, according to a new Kaiser Family Foundation analysis of Part…
People 65 and older, who have been hardest hit by COVID-19 in terms of hospitalizations and deaths, are also at high risk of severe flu illness and are more likely to die of the flu than younger people. This analysis explores variation in the rate of flu vaccination among adults ages 65 and older covered by Medicare, and reasons cited for not getting vaccinated, based on data from the 2018 Medicare Current Beneficiary Survey.
In this brief, we analyze third quarter data from 2018 to 2020 to examine how insurance markets performed financially through the end of September. Average margins remained relatively high compared to the same point in recent years, suggesting many insurers remained profitable even as non-COVID-related care returned in the summer and fall.
© 2026 KFF